eFunda Polymers: Properties of Polyamide {nylon (PA 6), molding and extrusion compound}
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Polyamide		  
List of Suppliers
State: nylon (PA 6)
Application: molding and extrusion compound
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   2622 - 3202  tensile  dry (0.2% water content) D638
  690 - 1705  tensile  50% relative humidity D638
  1725  compressive  50% relative humidity D638
Flexural Modulus (MPa)   2691 - 2829   23 ºC  dry (0.2% water content) D790
  966   23 ºC  50% relative humidity D790
Tensile Strength (MPa)   42 - 166 at break   D638
  91 at yield  dry (0.2% water content) D638
  52 at yield  50% relative humidity D638
Compressive Strength (MPa)
at yield or break		   90 - 111     D695
Flexural Strength (MPa)
at yield or break		  109  dry (0.2% water content)   D790
Flexural Strength (MPa)
at yield or break		   41  50% relative humidity   D790
Elongation at break (%)   30 - 100    dry (0.2% water content) D638
  300    50% relative humidity D638
Hardness  119  Rockwell R  dry (0.2% water content) D638
 100 - 105  Rockwell M  dry (0.2% water content) D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.3 - 1.2    dry (0.2% water content) D256A
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   1.6    50% relative humidity D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   80 - 83     D696
Deflection Temperature (ºC)  175 - 191   0.46 MPa  dry (0.2% water content) D648
  69 - 85   1.82 MPa  dry (0.2% water content) D648
Thermal Conductivity (W/m-ºC)  0.242     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.12 - 1.14   D792
Water Absorption (% weight increase)  8.5 - 10  saturated D570
 1.3 - 1.9  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   400  dry (0.2% water content) D149

 Processing Properties Conditions
Type ASTM
Melt Flow (gm/10 min)  0.5 - 10   D1238
Melting Temperature (ºC)  210 - 220  Tm, crystalline  
Processing Temperature (ºC)  227 - 288  injection molding  
 227 - 274  extrusion  
Molding Pressure (MPa)   7 - 138    
Compression Ratio  3 - 4    
Linear Mold Shrinkage (cm/cm)  0.003 - 0.015   D955

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Suppliers
A. Schulman Akron, OH  800-662-7203
Adell Plastics, Inc. Baltimore, MD  800-638-5218
Albis Corp. Rosenburg, TX  800-231-5911
AlliedSignal, Inc. Morristown, NJ  888-565-9835
ALM Corp. Wayne, NJ   
Ashley Polymers Brooklyn, NY   
Bamberger Polymers, Inc. Jericho, NY   
BASF Corp. Mount Olive, NJ  800-BC-RESIN
Bayer Corp. Pittsburgh, PA  800-662-2927
ComAlloy International Co. Nashville, TN   
Custom Resins, Inc. Henderson, KY  800-626-7050
DuPont Co., Polymers Wilmington, DE  800-438-7225
EMS-American Grilon, Inc. Sumter, SC   
Federal Plastics Corp. Cranford, NJ  800-541-4424
M.A. Hanna Engineered Materials Norcross, GA   
Network Polymers, Inc. Akron, OH  888-437-4674
Nyltech NA Co., Inc. Manchester, NH   
Polymer Resources, Ltd. Farmington, CT  800-243-5176
Polymers International, Inc. Spartanburg, SC   
Thermofil, Inc. Brighton, MI  800-444-4408
Ticona Summit, NJ  800-526-4960
Wellman, Inc. Johnsonville, SC   

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